Abstract:
본 발명은 부하를 조절할 수 있도록 되어 있는 매트형태의 연소촉매로 만들어진 촉매연소 버너를 이용하여 직물의 날염처리를 위한 건조 증열장치 및 시스템과 이를 이용한 직물의 건조 증열 방법 및 날염 방법에 관한 것이다. 본 발명의 건조 증열장치는 염료가 인쇄된 직물의 건조 및 증열이 연속적으로 이루어지는 장치로서, i) 직물과 일정한 간격을 두고 위치하며, 매트 촉매연소 버너, 및 ii) 상기 매트 촉매연소 버너에 반응가스를 공급하는 가스공급라인을 포함하는 구성을 가지며, 상기와 같은 구성을 통하여 염료가 인쇄된 직물의 건조에 필요한 열을 공급함과 동시에 증열에 필요한 고온의 수증기를 연소과정에서 발생된 수증기와 연소열을 활용하여 공급함으로써 전체적인 공정 및 에너지 소비의 효율성을 증대시켰다.
Abstract:
PURPOSE: A synthetic method of tubes consisting of nano-wire- microfiber hybrid structures and a tube structure manufactured by the same are provided to grow nano-wire by using a CVD method. CONSTITUTION: A synthetic method of tubes consisting of nano-wire- microfiber hybrid structures comprises the following steps: contacting microfiber wet by distilled water with wire surface of micro or macro scale; rotating the wire in the micro or macro scaled tubular structure; separating tubular structure microfiber layer from the micro fiber-wire complex and drying thereof; locating the dried tubular microfiber layer inside a reactor and removing impurities inside the reactor by lowering vacuum of the reactor; increasing the synthetic temperature of nano-wire while injecting the carrier gas into the reactor; providing the reaction gas which becomes the source of carbon and phosphorus and reacting the reaction gas with the tubular microfiber layer; and cooling the reactor down to the room temperature.
Abstract:
PURPOSE: A method for fabricating a sheet containing polymers and silica aerogel is provided to be applied to a field needing excellent insulation and adsorption effects. CONSTITUTION: A method for fabricating a sheet containing polymers/silica aerogel comprises: a step of gelation of a water glass solution in a mixture solvent of alcohol/water to prepare wet gel; a step of hydrophobicity-modification of the surface of the wet gel using non-polar organic solvent, organic silane compound, and alcohol; a step of dissolving the modified silica hydrogel and hydrophobic polymers in aprotic organic solvent to prepare an electrospinning solution; and a step of electrospinning the electrospinning solution to make a fibrous sheet.
Abstract:
PURPOSE: A mass-synthesizing method of carbon nanotube and a carbon nanotube manufactured by using the method are provided to enhance carbon crystalline of the carbon nanotube and easily eliminate core material. CONSTITUTION: A mass-synthesizing method of a high purity carbon nanotube comprises next steps: putting metal oxide compound into a reactor; eliminating remnant oxygen within the reactor by lowering degree of vacuum; increasing inner temperature of the reactor while injecting carrier gas into the reactor; injecting hydrocarbon gas into the reactor; reacting the hydrocarbon gas with the metal oxide compound in order to manufacturing the heterogeneous nanowire which consists of inter metallic compound or alloy core; and heat treating the heterogeneous nanowire under hydrogen atmosphere. The metal oxide compound is a mixture of tin oxide and indium oxide. A mixing ratio of the tin oxide to the indium oxide is 6:1-1:6 in weight ratio. The reaction with the metal oxide compound with the hydrocarbon gas is processed at 550-850 deg Celsius and lasts within 2 hours.
Abstract:
본 발명은 LTA(Linde Type A) 제올라이트 분리막 및 그 제조 방법에 관한 것으로, 알루미나계 원료, 실리카계 원료, 수산화나트륨(NaOH)을 물에 녹여서 수용액을 마련하는 단계와, 상기 수용액에 수산화칼륨(KOH) 등 수산화알칼리금속 수용액 또는 수산화알칼리토금속 수용액을 마련하는 단계와, 상기 두 수용액을 혼합 및 숙성하여 수열용액(Hydrothermal Solution)을 마련하는 단계와, 상기 수열용액 내에 분리막 성장을 위한 지지체를 담지시키고 수열처리하여 Na 이온의 0.01 ~ 50%가 칼륨(K) 등 알칼리금속 이온 및 알칼리토금속 이온 중 선택된 하나 이상으로 이온교환 된 제올라이트가 상기 지지체의 표면에 합성되도록 하는 단계를 제공함으로써, 별도의 이온교환 공정을 생략하여 제조 시간 및 비용을 절감시킬 수 있고, 극미세 구조적으로 손상되지 않은 이온교환된 LTA 제올라이트 분리막을 제조할 수 있도록 하는 발명에 관한 것이다.
Abstract:
PURPOSE: A method for uniformly supporting high-density nano-catalyst on the surface of carbonized cellulose fiber and uniform high-density nano-catalyst support manufactured by the same are provided to coat catalyst particles on the surface of the support without coagulation. CONSTITUTION: A method for uniformly supporting high-density nano-catalyst on the surface of carbonized cellulose fiber includes the following: a low-concentration catalyst solution is coated on a carbon-based support; The carbon-based support is oxidation fired; The oxidation fired support is reduced; the oxidation firing process and the coating process are repeated for several times; and a drying process is followed. The coating process is implemented based on an impregnation technique. The catalyst is a nitrite or chloride-based catalyst.
Abstract:
본 발명은 천연 셀룰로오스 섬유의 표면에 금속촉매 나노입자가 담지된 촉매 및 이의 제조방법에 관한 것으로, 보다 상세하게는, 특정한 전처리를 통하여 천연 셀룰로오스 섬유의 표면의 표면적을 향상시키고 결함(defect)을 만들어 준 후 상기 천연 셀룰로오스 섬유의 표면에 금속촉매 나노입자가 담지되도록 제조한, 우수한 촉매반응활성을 나타내며 저비용으로 생산할 수 있는 천연 셀룰로오스 섬유의 표면에 금속촉매 나노입자가 담지된 촉매 및 이의 제조방법에 관한 것이다. 천연 셀룰로오스 섬유, 금속촉매 나노입자, 전처리과정, 화학처리, 분산도, 탄화, 화학기상증착법, 함침법
Abstract:
본 발명은 복합재료 시트 제조장치에 관한 것으로서, 본 발명에 따른 복합재료 시트 제조장치는, 컨베이어 이송장치; 상기 컨베이어 이송장치에 세라믹시트를 공급하는 제1세라믹시트 권출롤; 상기 세라믹시트에 천연섬유를 공급하는 천연섬유 공급기; 상기 세라믹시트에 고분자 물질을 공급하는 고분자 공급기; 상기 세라믹시트에 상기 천연섬유 및 상기 고분자 물질을 적층한 전처리시트를 가열하는 제1히팅장치; 및, 가열된 상기 전처리시트를 복합재료 시트로 성형하는 압축롤러를 포함하며, 본 발명에 따른 복합재료 시트 제조장치를 사용함으로써, 분해가 용이하여 환경오염을 최소화할 수 있고, 중량이 가벼운 복합재료 시트를 제조할 수 있다.
Abstract:
PURPOSE: A catalytic combustion apparatus with complete uniform flow for a large capacity internal-reforming MCFC(Molten Carbonate Fuel Cell) is provided to maintain uniform pressure distribution of mixed gas and uniform gas flow in branch pipes. CONSTITUTION: A catalytic combustion apparatus with complete uniform flow for a large capacity internal-reforming MCFC comprises a gas mixing part(1), a uniform flow guide section, a complete catalytic combustion section(3), and an exhaust gas supply section(4). The gas mixing part separately supplies and mixes cathode by-product gas(11) and anode air(12) which are produced according to the reforming reaction of MCFC stack outside an MCFC stack vessel(6). The uniform flow guide section has a perforated or branched structure in order to maintain uniform flow distribution of the mixed gas supplied to the MCFC stack vessel. The complete catalytic combustion section completely burns the mixed gas through multi-stage catalysts(31,32). The exhaust gas supply section supplies high-temperature heat and exhaust gas to the MCFC stack vessel.
Abstract:
PURPOSE: A linde-type-A(LTA) zeolite separating membrane and a method for manufacturing the same are provided to prevent the damage of the separating layer in the separating membrane generated during an ion-exchanging process by exchanging alkaline metal ions and alkaline earth metal ions while a second growing process is implemented under a hydrothermal condition. CONSTITUTION: An alumina-based raw material, a silica-based raw material, and sodium hydroxide are dissolved in water to obtain a first aqueous solution. Alkaline metal hydroxide aqueous solution and/or alkaline earth metal hydroxide aqueous solution is added to the first aqueous solution to obtain a second aqueous solution. The second aqueous solution is aged to obtain a hydrothermal solution(150). The hydrothermal solution is introduced into a hydrothermal synthesizer. A support(160) is immersed in the hydrothermal solution to form a zeolite separating layer(170) on the surface of the support.